EP 1942127 A1 20080709 - Process for preparing polyketone
Title (en)
Process for preparing polyketone
Title (de)
Herstellungsverfahren für Polyketon
Title (fr)
Procédé de préparation de polycétone
Publication
Application
Priority
KR 20060136686 A 20061228
Abstract (en)
The present invention relates to a process for preparing polyketone with improved catalytic activity and intrinsic viscosity, and specifically a process for preparing polyketone, using a mixed solvent of 40 to 60 mol% acetic acid and 40 to 60 mol% water, as a liquid medium, and the precursor of palladium chloride-1,3-bis[di(methoxyphenyl)phosphino]propane, as a catalyst component.
IPC 8 full level
C08G 67/00 (2006.01); B01J 31/24 (2006.01)
CPC (source: EP KR US)
C08G 6/02 (2013.01 - KR); C08G 8/02 (2013.01 - KR); C08G 67/02 (2013.01 - EP US)
Citation (search report)
- [XY] EP 1460097 A1 20040922 - ASAHI KASEI FIBERS CORP [JP]
- [A] US 4933311 A 19900612 - DOORN JOHANNES ADRIANUS VAN [NL], et al
- [Y] DATABASE WPI Week 200381, Derwent World Patents Index; AN 2003-868405, XP002473598
- [Y] DATABASE WPI Week 200720, Derwent World Patents Index; AN 2007-196743, XP002473599
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
EP 1942127 A1 20080709; EP 1942127 B1 20100127; AT E456602 T1 20100215; CN 101210070 A 20080702; CN 101210070 B 20110504; DE 602007004564 D1 20100318; ES 2339983 T3 20100527; JP 2008163291 A 20080717; KR 100789141 B1 20071228; US 2008161531 A1 20080703; US 7803897 B2 20100928
DOCDB simple family (application)
EP 07014611 A 20070725; AT 07014611 T 20070725; CN 200710148077 A 20070905; DE 602007004564 T 20070725; ES 07014611 T 20070725; JP 2007168921 A 20070627; KR 20060136686 A 20061228; US 82609807 A 20070712